Journal of the Korean Society of Combustion (한국연소학회지)

The Korean Society of Combustion (한국연소학회)
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A Numerical Study on Pressure Variation in a Shock Tube by Changing the Diameter Ratio of Low-Pressure (Driven) to High-Pressure (Driver) Part

충격파관 저압실/고압실 직경비에 따른 압력변동에 대한 수치해석

  • Wang, YuanGang (Department of Mechanical Engineering, Sejong University) ;
  • Kim, Chul Jin (Department of Mechanical Engineering, Sejong University) ;
  • Sohn, Chae Hoon (Department of Mechanical Engineering, Sejong University) ;
  • Jeung, In-Seuck (Department of Aerospace Engineering, Seoul National University)
  • Received : 2016.09.01
  • Accepted : 2016.10.12
  • Published : 2016.12.30
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Abstract

Pressure and temperature variations in a shock tube have been studied numerically by changing the diameter ratio of a driven part to a driver part. There are five cases where the adopted diameter ratios are 40%, 50%, 60%, 80%, and 100% respectively. The diameter of the driver part remains unchanged meanwhile the shock tube driven part diameter increases from 40% to 100% of the driver part. In the 100% ratio case, the driver part and driven parts have the same diameter of 66.9 mm. As the diameter ratio decreases, the pressure in the shock tube and available test time are increased.

Keywords

References

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